Cheongju AQI History

Hourly air quality data for the past 24 hours in Cheongju, Chungbuk.

24-Hour Summary

Average AQI

Peak AQI

Best AQI

Hourly AQI Data

TimeAQICategoryPM2.5PM10
03:00 pm50Good9.010.2
04:00 pm52Moderate9.711.8
05:00 pm55Moderate11.314.3
06:00 pm59Moderate13.215.6
07:00 pm65Moderate16.818.7
08:00 pm75Moderate21.825.0
09:00 pm77Moderate23.223.6
10:00 pm98Moderate34.137.4
11:00 pm111Unhealthy for Sensitive Groups39.646.8
12:00 am119Unhealthy for Sensitive Groups42.852.6
01:00 am134Unhealthy for Sensitive Groups48.860.1
02:00 am148Unhealthy for Sensitive Groups54.568.7
03:00 am152Unhealthy57.572.2
04:00 am155Unhealthy61.276.8
05:00 am157Unhealthy64.080.1
06:00 am158Unhealthy65.783.1
07:00 am157Unhealthy64.384.1
08:00 am154Unhealthy59.479.4
09:00 am108Unhealthy for Sensitive Groups38.351.5
10:00 am102Unhealthy for Sensitive Groups36.049.0
11:00 am96Moderate33.346.2
12:00 pm83Moderate26.136.7
01:00 pm77Moderate23.131.0
02:00 pm76Moderate22.728.7
03:00 pm72Moderate20.325.1
04:00 pm65Moderate16.521.1
05:00 pm57Moderate12.516.9
06:00 pm52Moderate9.613.2
07:00 pm47Good8.411.1
08:00 pm53Moderate10.212.5
09:00 pm42Good7.69.7
10:00 pm46Good8.210.7
11:00 pm53Moderate10.213.0
12:00 am57Moderate12.415.6
01:00 am60Moderate14.017.5
02:00 am62Moderate15.219.0
03:00 am64Moderate16.220.4
04:00 am66Moderate17.221.7
05:00 am68Moderate18.023.0
06:00 am69Moderate18.924.1
07:00 am63Moderate15.719.7
08:00 am63Moderate15.720.8
09:00 am69Moderate18.925.6
10:00 am70Moderate19.226.4
11:00 am69Moderate18.825.8
12:00 pm65Moderate16.422.2
01:00 pm60Moderate14.019.1
02:00 pm57Moderate12.517.6
03:00 pm56Moderate11.617.3
04:00 pm55Moderate11.117.9
05:00 pm55Moderate11.219.1
06:00 pm56Moderate11.619.9
07:00 pm58Moderate12.819.7
08:00 pm69Moderate19.026.6
09:00 pm69Moderate18.923.5
10:00 pm79Moderate23.928.6
11:00 pm86Moderate27.832.9
12:00 am93Moderate31.436.9
01:00 am98Moderate34.339.9
02:00 am104Unhealthy for Sensitive Groups36.742.3
03:00 am108Unhealthy for Sensitive Groups38.243.8
04:00 am110Unhealthy for Sensitive Groups39.044.6
05:00 am112Unhealthy for Sensitive Groups39.945.3
06:00 am115Unhealthy for Sensitive Groups41.146.4
07:00 am104Unhealthy for Sensitive Groups36.839.9
08:00 am98Moderate34.540.3
09:00 am72Moderate20.523.6
10:00 am62Moderate14.816.5
11:00 am33Good6.06.9
12:00 pm30Good5.46.3
01:00 pm30Good5.46.4
02:00 pm33Good6.07.2
03:00 pm37Good6.78.4
04:00 pm41Good7.39.3
05:00 pm44Good8.010.1
06:00 pm48Good8.710.8
07:00 pm53Moderate10.312.0
08:00 pm65Moderate16.518.0
09:00 pm72Moderate20.622.0
10:00 pm81Moderate25.026.5
11:00 pm89Moderate29.531.0
12:00 am97Moderate33.635.2
01:00 am105Unhealthy for Sensitive Groups37.138.6
02:00 am114Unhealthy for Sensitive Groups40.642.1
03:00 am123Unhealthy for Sensitive Groups44.646.0
04:00 am132Unhealthy for Sensitive Groups48.149.5
05:00 am135Unhealthy for Sensitive Groups49.450.8
06:00 am134Unhealthy for Sensitive Groups49.150.5
07:00 am129Unhealthy for Sensitive Groups47.048.3
08:00 am126Unhealthy for Sensitive Groups45.546.8
09:00 am159Unhealthy67.172.2
10:00 am129Unhealthy for Sensitive Groups46.852.9
11:00 am91Moderate30.437.3
12:00 pm81Moderate25.231.9
01:00 pm77Moderate22.828.9
02:00 pm74Moderate21.427.2
03:00 pm72Moderate20.326.0
04:00 pm71Moderate19.925.4
05:00 pm71Moderate20.125.6
06:00 pm72Moderate20.425.8
07:00 pm72Moderate20.525.3
08:00 pm73Moderate21.124.9
09:00 pm131Unhealthy for Sensitive Groups47.658.3
10:00 pm149Unhealthy for Sensitive Groups55.165.2
11:00 pm154Unhealthy60.370.3
12:00 am157Unhealthy63.673.3
01:00 am159Unhealthy66.676.4
02:00 am160Unhealthy68.077.8
03:00 am159Unhealthy67.376.6
04:00 am159Unhealthy66.475.0
05:00 am157Unhealthy64.773.1
06:00 am156Unhealthy63.371.2
07:00 am154Unhealthy59.866.6
08:00 am155Unhealthy61.970.3
09:00 am145Unhealthy for Sensitive Groups53.261.7
10:00 am136Unhealthy for Sensitive Groups49.858.8
11:00 am104Unhealthy for Sensitive Groups36.945.1
12:00 pm82Moderate25.831.3
01:00 pm62Moderate15.017.8
02:00 pm47Good8.59.5
03:00 pm27Good4.95.3
04:00 pm21Good3.74.1
05:00 pm19Good3.44.2
06:00 pm19Good3.54.5
07:00 pm22Good4.05.1
08:00 pm47Good8.59.4
09:00 pm39Good7.18.7
10:00 pm47Good8.49.9
11:00 pm57Moderate12.313.9
12:00 am63Moderate15.517.1
01:00 am66Moderate17.118.7
02:00 am67Moderate17.919.6
03:00 am68Moderate18.220.0
04:00 am72Moderate20.422.4
05:00 am77Moderate22.925.0
06:00 am81Moderate25.127.4
07:00 am82Moderate26.028.0
08:00 am80Moderate24.727.3
09:00 am90Moderate30.235.0
10:00 am75Moderate22.127.1
11:00 am80Moderate24.430.2
12:00 pm76Moderate22.327.6
01:00 pm70Moderate19.424.7
02:00 pm68Moderate18.323.8
03:00 pm68Moderate18.324.1
04:00 pm70Moderate19.325.4
05:00 pm74Moderate21.527.5
06:00 pm79Moderate24.330.3
07:00 pm88Moderate28.834.2
08:00 pm92Moderate31.136.0
09:00 pm99Moderate35.039.7
10:00 pm105Unhealthy for Sensitive Groups37.041.4
11:00 pm106Unhealthy for Sensitive Groups37.541.9
12:00 am108Unhealthy for Sensitive Groups38.242.6
01:00 am107Unhealthy for Sensitive Groups38.142.3
02:00 am105Unhealthy for Sensitive Groups37.040.6
03:00 am108Unhealthy for Sensitive Groups38.442.3
04:00 am111Unhealthy for Sensitive Groups39.743.7
05:00 am105Unhealthy for Sensitive Groups37.140.2
06:00 am113Unhealthy for Sensitive Groups40.442.7
07:00 am126Unhealthy for Sensitive Groups45.848.2
08:00 am131Unhealthy for Sensitive Groups47.750.8
09:00 am109Unhealthy for Sensitive Groups38.842.3
10:00 am77Moderate23.125.7
11:00 am61Moderate14.515.9
12:00 pm51Moderate9.29.8
01:00 pm37Good6.67.2
02:00 pm33Good5.96.8
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